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private FieldInfo[] GetConstants(System.Type type)
{
    // Initialize an assembly of constants
    ArrayList constants = new ArrayList();

    // Summon an army of field explorers to unearth all public, static gems
    FieldInfo[] fieldInfos = type.GetFields(
        // Command the retrieval of public and static fields
        BindingFlags.Public | BindingFlags.Static | 
        // Extend the search to the depth of base types
        BindingFlags.FlattenHierarchy);

    // Patrol through the reconnaissance report, enlisting only the immutable constants
    foreach(FieldInfo fi in fieldInfos)
        // Assess if the field's value is immutable and endures from compile-time
        // Exclude any field that can be tampered with in the constructor
        if(fi.IsLiteral && !fi.IsInitOnly)
            constants.Add(fi);           

    // Formulate an array of FieldInfos holding the unearthed constants
    return (FieldInfo[])constants.ToArray(typeof(FieldInfo));
}

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private List<FieldInfo> GetConstants(Type type)
{
    FieldInfo[] fieldInfos = type.GetFields(BindingFlags.Public |
         BindingFlags.Static | BindingFlags.FlattenHierarchy);

    return fieldInfos.Where(fi => fi.IsLiteral &amp;&amp; !fi.IsInitOnly).ToList();
}

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type.GetFields(BindingFlags.Public | BindingFlags.Static |
               BindingFlags.FlattenHierarchy)
    .Where(fi => fi.IsLiteral && !fi.IsInitOnly).ToList();

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